
'use strict'
// Template version: 1.1.1
// see http://vuejs-templates.github.io/webpack for documentation.

const path = require('path')

/*
 * 在 webpack/ webpack.base.conf.js 中引用
 * 在这里配置两个模式，生产模式和开发模式，并且设置变量env来进行判断当前是什么模式
 */
module.exports = {
	
	// 生产模式
  build: {
    env: require('./prod.env'), // {NODE_ENV: '"production"'}
    index: path.resolve(__dirname, '../dist/index.html'),
    assetsRoot: path.resolve(__dirname, '../dist'),
    assetsSubDirectory: '',
    assetsPublicPath: '', // 资源路径，使用相对路径
    productionSourceMap: false,
    
    // Gzip off by default as many popular static hosts such as
    // Surge or Netlify already gzip all static assets for you.
    // Before setting to `true`, make sure to:
    // npm install --save-dev compression-webpack-plugin
    productionGzip: false,
    productionGzipExtensions: ['js', 'css'],
    
    // Run the build command with an extra argument to
    // View the bundle analyzer report after build finishes:
    // `npm run build --report`
    // Set to `true` or `false` to always turn it on or off
    bundleAnalyzerReport: process.env.npm_config_report
  },
  
  // 开发模式
  dev: {
    env: require('./dev.env'),
    port: process.env.PORT || 9000,
    autoOpenBrowser: false,
    assetsSubDirectory: '',
    assetsPublicPath: '/',// 资源路径，使用根目录
    proxyTable: {},
    
    // CSS Sourcemaps off by default because relative paths are "buggy"
    // with this option, according to the CSS-Loader README
    // (https://github.com/webpack/css-loader#sourcemaps)
    // In our experience, they generally work as expected,
    // just be aware of this issue when enabling this option.
    cssSourceMap: false
  }
}
